The Siterwell Smoke & Carbon Monoxide Detector Combo 10 Year Battery GS886-H02 4PCS is a reliable home security solution that provides peace of mind. With a 10-year battery lifespan, this 4-pack of detectors ensures your safety for an extended period. The model name GS886-H02, manufacturer warranty of 10 years, and battery included make it a convenient and dependable choice for any household. The compact size and weight of 3.55 pounds make it easy to install in any room, while the combination of smoke and carbon monoxide detection gives you comprehensive protection.